CN218694260U - Novel end milling cutter - Google Patents

Abstract

The utility model discloses a novel end mill, including handle of a knife and cutter body, the handle of a knife is integral type structure with cutter body fixed connection, the draw-in groove of evenly distributed is seted up to the week side that the handle of a knife is close to cutter body one end, the inside movable mounting of draw-in groove has the stick of polishing that can take place the displacement, movable groove and screw have all been seted up at the position that the handle of a knife corresponds with the draw-in groove in both ends about, the part that the screw is close to its open end is through movable groove and draw-in groove intercommunication, the both ends of polishing the stick all are equipped with the fixed axle of activity joint at movable inslot portion. This novel end mill can mill reaming operation to the work piece to continue to feed after the reaming is accomplished and to carry out burnishing and polishing operation to milling the face, need not to change end mill, also need not to change the work piece position, easy operation can save time, and can improve work efficiency, convenient to use.

Description

Novel end milling cutter

Technical Field

The utility model relates to an end milling cutter technical field specifically is a novel end milling cutter.

Background

The end milling cutter is a milling cutter which is most used on a numerical control machine tool, mainly comprises a cutter handle, a neck and a cutting edge and is generally of an integrated structure, and cutting cutters are arranged on the cylindrical surface and the end surface of the end milling cutter and can be used for simultaneously cutting or independently cutting; the milling device is mainly used for plane milling, groove milling, step face milling and profiling milling.

A commonly used end mill for a milling machine comprises a shank and a body as shown in fig. 1, and a neck is further provided between the shank and the body of part of the end mill. After reaming is carried out to the work piece through end milling cutter among the prior art, because the face of milling (downthehole wall) is comparatively crude, consequently need to change end milling cutter into the head of polishing and polish the face of milling, perhaps shift the work piece to the station of polishing and polish the face of milling, end milling cutter can't directly carry out the burnishing and polishing operation to the face of milling after milling, complex operation has reduced work efficiency and has hanged down, uses inconveniently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a novel end mill, can mill reaming operation to the work piece to continue to feed after the reaming is accomplished and to carry out burnishing and polishing operation to milling the face, need not to change end mill, also need not to change the work piece position, easy operation can save time, and can improve work efficiency, and convenient to use can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel end mill, includes handle of a knife and cutter body, handle of a knife is the integral type structure with cutter body fixed connection, the draw-in groove of evenly distributed is seted up to the week side that the handle of a knife is close to cutter body one end, the inside movable mounting of draw-in groove has the stick of polishing that can take place the displacement.

As a preferred technical scheme of the utility model, movable groove and screw have all been seted up at the position that both ends correspond about handle of a knife and the draw-in groove, the part that the screw is close to its open end is through movable groove and draw-in groove intercommunication, the both ends of polishing stick all are equipped with the fixed axle of activity joint in movable inslot portion.

As a preferred technical scheme of the utility model, the side that the handle of a knife corresponds with the screw is seted up flutedly, the inside terminal surface distance of activity inslot is greater than the diameter of fixed axle from the distance between the inside terminal surface of recess.

As an optimized technical scheme of the utility model, the inside threaded connection of screw has the bolt, the head activity joint of bolt is inside the recess.

As an optimal technical scheme of the utility model, the cross section of the stick of polishing is oval structure, and the tip that the stick of polishing and oval major axis correspond all is equipped with the layer of polishing.

As an optimized technical scheme of the utility model, the length of oval minor axis is less than the width of draw-in groove.

As an optimized technical scheme of the utility model, the upper and lower both ends of stick of polishing all set up to the direction slope of fixed axle.

As an optimized technical scheme of the utility model, when fixed axle and the inside end face contact of activity inslot, be two of central symmetry and polish the diameter D that maximum distance L between the stick is less than the handle of a knife.

As a preferred technical scheme of the utility model, the handle of a knife rotates the in-process at a high speed, and two maximum distances L that are central symmetry between the stick of polishing are greater than the diameter D of handle of a knife.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the novel end mill of the example of the utility model, when the cutter handle drives the cutter body to rotate, the cutter body can mill and ream the hole; meanwhile, in the process of highly rotating the cutter handle, when the polishing rod is in contact with the inner wall of the hole, the polishing rod can polish the inner wall of the hole.

2. The utility model discloses the novel end mill of example can restrict the activity inslot portion through the fixed axle at bolt stick both ends of will polishing, and the fixed axle can drive the stick of polishing and remove in the draw-in groove when the activity inslot portion removes, makes the stick of polishing expose and polish to the hole inner wall in can following the draw-in groove.

3. The utility model discloses the novel end mill of example can mill reaming operation to the work piece to continue to feed after the reaming is accomplished and to carry out burnishing and polishing operation to milling the face, need not to change end mill, also need not to change the work piece position, easy operation can save time, and can improve work efficiency, convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional structural view of a portion of the structure of FIG. 1;

FIG. 3 is a front view of the cross-sectional view of the partial structure of FIG. 1;

FIG. 4 is a schematic structural view of the grinding rod of FIG. 3 partially exposed outside the tool shank;

FIG. 5 is a schematic structural view of a polishing rod of the present invention;

fig. 6 is a schematic top view of the sectional view of fig. 1.

In the figure: the tool comprises a tool handle 1, a tool body 2, a clamping groove 3, a movable groove 31, a groove 4, a screw hole 41, a polishing rod 5, a fixing shaft 51, a polishing layer 52 and a bolt 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a novel end mill comprises a cutter handle 1 and a cutter body 2, wherein the cutter handle 1 and the cutter body 2 are fixedly connected to form an integral structure, clamping grooves 3 which are uniformly distributed are formed in the peripheral side face of one end, close to the cutter body 2, of the cutter handle 1, a polishing rod 5 capable of displacing is movably mounted in the clamping grooves 3, and the cutter body 2 can perform milling and reaming operations on holes in the process that the cutter handle 1 drives the cutter body 2 to rotate; meanwhile, in the process that the cutter handle 1 is highly rotated, when the polishing rod 5 is in contact with the inner wall of the hole, the polishing rod 5 can polish the inner wall of the hole.

Preferably, as shown in fig. 3 and 4, the movable groove 31 and the screw hole 41 are formed in the positions of the handle 1 corresponding to the upper end and the lower end of the clamping groove 3, the portion, close to the opening end, of the screw hole 41 is communicated with the clamping groove 3 through the movable groove 31, the two ends of the polishing rod 5 are respectively provided with a fixed shaft 51 movably clamped inside the movable groove 31, the fixed shaft 51 can drive the polishing rod 5 to move in the clamping groove 3 when moving inside the movable groove 31, and in the process of high rotation of the handle 1, the polishing rod 5 is exposed outside the clamping groove 3 by centrifugal force, so that a workpiece is polished.

Preferably, the side surface of the tool holder 1 corresponding to the screw hole 41 is provided with a groove 4, and the distance between the inner end surface of the movable groove 31 and the inner end surface of the groove 4 is larger than the diameter of the fixed shaft 51.

Preferably, the bolt 6 is connected with the screw thread inside the screw hole 41, the head of the bolt 6 is movably clamped inside the groove 4, and the head of the bolt 6 can completely sink into the groove 4, so that abrasion to a workpiece is avoided; adopt bolt 6 to install spacingly to sanding stick 5, be convenient for dismantle the change to sanding stick 5.

Can restrict the fixed axle 51 at the stick of polishing 5 both ends to the movable groove 31 inside through bolt 6, fixed axle 51 can drive the stick of polishing 5 and remove in draw-in groove 3 when the movable groove 31 is inside to be removed, makes the stick of polishing 5 expose and polish to the downthehole wall from draw-in groove 3.

Preferably, as shown in fig. 5, the cross section of the polishing rod 5 is an oval structure, and the end portions of the polishing rod 5 corresponding to the major axis of the oval are provided with polishing layers 52, so that the polishing effect of the polishing rod 5 on the workpiece can be improved.

Preferably, as shown in fig. 6, the length of the elliptical short axis is smaller than the width of the clamping groove 3, and the polishing rod 5 can incline to some extent in the polishing process, so that different parts of the polishing rod 5 are in contact with a workpiece, and the service life of the polishing rod 5 can be prolonged.

Preferably, as shown in fig. 5, the upper and lower ends of the grinding rod 5 are both inclined toward the fixed shaft 51, and the inclined surfaces can prevent the end surface of the grinding rod 5 from being engaged with the surface of the workpiece during the feeding process of the end mill.

Preferably, as shown in fig. 3, when the fixed shaft 51 contacts with the inner end surface of the movable groove 31, the maximum distance L between the two grinding rods 5 which are centrosymmetric is smaller than the diameter D of the tool holder 1.

Preferably, as shown in fig. 4, during the high-speed rotation of the tool shank 1, the maximum distance L between the two grinding rods 5 which are centrosymmetric is greater than the diameter D of the tool shank 1, so that the grinding rods 5 have a certain moving space.

When the tool shank 1 moves on the side wall of the workpiece, the grinding rod 5 can grind the side wall of the workpiece, namely, the grinding rod 5 can grind and polish the contact part of the workpiece, and the workpiece is not limited to the inner wall of the hole.

When in use:

fixing a cutter handle 1 of the end milling cutter to a corresponding position of a lathe through a spring jacket;

the lathe is used for controlling the cutter handle 1 to feed into a hole of a workpiece, the lathe is used for controlling the workpiece to rotate, the cutter body 2 does circular motion with a certain diameter relative to the workpiece, and the cutter body 2 performs milling and reaming operations on the hole;

after reaming is finished, the cutter handle 1 is continuously controlled to feed, and the polishing rod 5 corresponds to the inner wall of the hole;

the workpiece is controlled to move through the lathe, so that the distance between the tool shank 1 and the inner wall of the workpiece is smaller than half of the difference value between L and D in the figure 4, the lathe drives the tool shank 1 to rotate at the moment, and the grinding rod 5 moves to the position shown in the figure 4 under the action of centrifugal force in the rotating process of the tool shank 1;

the grinding layer 52 part of the grinding rod 5 is positioned outside the clamping groove 3 and is in contact with the inner wall of the hole in the high-speed rotation process of the tool handle 1, and the grinding rod 5 grinds and polishes the inner wall of the hole;

when the height of the hole is larger than the height of the grinding rod 5, the cutter handle 1 can be fed for many times, so that different heights of the hole wall can be ground.

The utility model discloses can mill reaming operation to the work piece to continue to feed after the reaming is accomplished and to carry out burnishing and polishing operation to milling the face, need not to change end milling cutter, also need not to change the work piece position, easy operation can save time, and can improve work efficiency, convenient to use.

The non-public part of the utility model is the prior art, and the concrete structure, the material and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a novel end mill, includes handle of a knife (1) and cutter body (2), handle of a knife (1) is integral type structure, its characterized in that with cutter body (2) fixed connection: the utility model discloses a cutter handle, including cutter body (2), cutter handle (1) and cutter handle, the side of all sides that is close to cutter body (2) one end sets up evenly distributed's draw-in groove (3), the inside movable mounting of draw-in groove (3) has polishing stick (5) that can take place the displacement.

2. The new end mill according to claim 1, wherein: the adjustable grinding tool is characterized in that movable grooves (31) and screw holes (41) are formed in the positions, corresponding to the upper end and the lower end of the clamping groove (3), of the tool shank (1), the part, close to the opening end of the screw hole (41), of the screw hole is communicated with the clamping groove (3) through the movable grooves (31), and fixed shafts (51) movably clamped inside the movable grooves (31) are arranged at the two ends of the grinding rod (5).

3. The new end mill as claimed in claim 2, wherein: the side face, corresponding to the screw hole (41), of the tool holder (1) is provided with a groove (4), and the distance between the inner end face of the movable groove (31) and the inner end face of the groove (4) is larger than the diameter of the fixed shaft (51).

4. The new end mill according to claim 3, characterized in that: the screw hole (41) is connected with a bolt (6) through internal threads, and the head of the bolt (6) is movably clamped inside the groove (4).

5. The new end mill as claimed in claim 1, wherein: the cross section of the polishing rod (5) is of an oval structure, and polishing layers (52) are arranged at the end parts of the polishing rod (5) corresponding to the oval long axis.

6. The new end mill according to claim 5, wherein: the length of the oval short shaft is smaller than the width of the clamping groove (3).

7. The new end mill as claimed in claim 2, wherein: the upper end and the lower end of the grinding rod (5) are obliquely arranged towards the direction of the fixed shaft (51).

8. The new end mill according to claim 2, wherein: when the fixed shaft (51) is in contact with the inner end face of the movable groove (31), the maximum distance L between the two grinding rods (5) which are centrosymmetric is smaller than the diameter D of the knife handle (1).

9. The new end mill as claimed in claim 1, wherein: in the high-speed rotation process of the tool handle (1), the maximum distance L between the two grinding rods (5) which are centrosymmetric is larger than the diameter D of the tool handle (1).

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